One Sword to Shatter Nine Realms

Born human in this life, not an immortal. Eternal life through the ages is no match for a single sword strike in the mortal world! P.S. This is a serious, really good traditional cultivation novel. If it gets silly later, just go with it. (∩_∩) A fairy abducts Xu Lai from Earth, teaches him the Dao, imparts her knowledge, and answers his questions, hoping he will grow up and avenge her. When Xu Lai comes of age and enters the realms, he discovers that the fairy is actually a demon. Does that mean he has to make an enemy of the entire cultivation world? With no other choice, he relies on his heaven-defying talent to join his enemy's sect as its Holy Son, doing whatever he pleases.